then don't compare chinese substandard items with par Western tech.
Some Compression.
Weight:
Tejas: Not exactly known but 5.5 to 6.0 tons
Grippen: 6.5 Tons
Advantage: Tejas.
RCS:
Tejas: Tejas is small and uses More composite in air frame
Grippen: Big and uses less composite in air frame
Advantage: Tejas
RADAR:
Tejas: Tejas has 650 MM Dia Radar with pick Power of 10.5 KW
Grippen: Grippen has 600 MM Dia Radar with pick Power of 8.5 KW
Advantage: Tejas
Engine:
Same for both engine. No advantage
T/W Ratio:
Same engine but Tejas is light
Advantage : Tejas.
ITR:
Advantage: Tejas
STR:
Advantage: Gripen.
Source:
LCA Tejas MK 1 VS Gripen C/D